Michel # 4598; Scott # 4257c; Stanley Gibbons # 4440;
The Mesosaurus .
Mesosaurus tenuidens.
Color: multicolored
Date of Issue: 24.04.2003
Face Value: 49 st
Designer: Zdravko Stoyanov
Stamp Size: 43 × 33 mm.
Stamp Quantity: 450 000
Perforation: 13